2004 Water Supply Summary Bill Ondrechen IDWR

2004: UNIQUE APSECTS Near record low March and April precipitation greatly reduced water supply conditions Irrigation demand was lower than 2003 due to cooler temperatures and more rainfall

2004 April-July Runoff Bear Lake inflow 15.3 kaf 9 % of avg 9th lowest/ 78 years Snake R. nr Heise* % 19 / 99 Big Wood at Hailey % 13 / 77 Boise R. nr Boise* % 23 / 109 Payette at HSB* % 23 / 85 Weiser nr Weiser % 19 / 78 Snake at Weiser % 14 / 94 Salmon at Whitebird % 19 / 94 St. Joe at Calder % 24 / 85 * Unregulated or natural flow